<None> === Lightmass crashed: ===
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:d:build++ue4+release-4.18+compilesyncenginesourceruntimecorepublicContainers/Array.h] [Line: 610]
Array index out of bounds: 7616 from an array of size 7616
0x000000006AB73FB8 KERNELBASE.dll!UnknownFunction []
0x0000000039E65E54 UnrealLightmass-ApplicationCore.dll!UnknownFunction []
0x000000002D101A8B UnrealLightmass-Core.dll!UnknownFunction []
0x000000002D092E98 UnrealLightmass-Core.dll!UnknownFunction []
0x00000000B06AEF14 UnrealLightmass.exe!UnknownFunction []
0x00000000B06BE054 UnrealLightmass.exe!UnknownFunction []
0x00000000B06B3B8B UnrealLightmass.exe!UnknownFunction []
0x00000000B06C58A4 UnrealLightmass.exe!UnknownFunction []
0x00000000B06FD863 UnrealLightmass.exe!UnknownFunction []
0x00000000B07204DA UnrealLightmass.exe!UnknownFunction []
0x00000000B077EC25 UnrealLightmass.exe!UnknownFunction []
0x000000006C1B1FE4 KERNEL32.DLL!UnknownFunction []
0x000000006E7CEFB1 ntdll.dll!UnknownFunction []
0x000000006E7CEFB1 ntdll.dll!UnknownFunction []
解决方法：
在swarm agent 中选择cache 点击clean 就可以解决了。
